OpenStack Orchestration (Heat)
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Blueprints and Specs

The Heat team uses the heat-specs repository for its specification reviews. Detailed information can be found here.

Please note that we use a template for spec submissions. Please use the template for the latest release. It is not required to fill out all sections in the template.

You have to create a Story in StoryBoard heat storyboard. And create tasks that fit with the plan to implement this spec (A task to link to a patch in gerrit).

Spec Notes

There are occasions when a spec is approved and the code does not land in the cycle it was targeted for. For these cases, the workflow to get the spec into the next release is as below:

  • Anyone can propose a patch to heat-specs which moves a spec from the previous release backlog into the new release directory.

The specs which are moved in this way can be fast-tracked into the next release. Please note that it is required to re-propose the spec for the new release and it'll be evaluated based on the resources available and cycle priorities.

Heat Spec Lite

Lite specs are small feature requests tracked as StoryBoard stories, and tagged with 'spec-lite' and 'priority-wishlist' tag. These allow for submission and review of these feature requests before code is submitted.

These can be used for small features that don’t warrant a detailed spec to be proposed, evaluated, and worked on. The team evaluates these requests as it evaluates specs.

Once a spec-lite story has been approved/triaged as a Request for Enhancement(RFE), it’ll be targeted for a release.

The workflow for the life of a spec-lite in StoryBoard is as follows:

  • File a story with a small summary of what the requested change is and tag it as spec-lite and priority-wishlist.
  • Create tasks that fit to your plan in story.
  • The story is evaluated and marked with tag as triaged to announce approval or Invalid to request a full spec or it's not a valided task.
  • The task is moved to Progress once the code is up and ready to review.
  • The task is moved to Merged once the patch lands.
  • The story is moved to Merged once all tasks merged.

The drivers team will discuss the following story reports in IRC meetings:

Lite spec Submission Guidelines

When a story is submitted, there is field that must be filled: ‘Description’.

The ‘Description’ section must be a description of what you would like to see implemented in heat. The description should provide enough details for a knowledgeable developer to understand what is the existing problem and what’s the proposed solution.

Add spec-lite tag to the story.

Lite spec from existing stories

If there's an already existing story that describes a small feature suitable for a spec-lite, add a spec-lite tag to the story. There is no need to create a new story. The comments and history of the existing story are important for its review.